Home / 19,957.55-29,936.32-6,809.92

Finding the Fourth Proportional to 19,957.55, 29,936.32 and 6,809.92

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Solution

The fourth proportional to 19,957.55, 29,936.32 and 6,809.92 is: 10,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.55 : 29,936.32 = 6,809.92 : x
  2. Step 2: Convert to fraction form
    19,957.55/29,936.32 = 6,809.92/x
  3. Step 3: Cross multiply
    19,957.55x = 29,936.32 × 6,809.92
  4. Step 4: Simplify right side
    19,957.55x = 203,863,944.29
  5. Step 5: Solve for x
    x = 203,863,944.29/19,957.55
  6. Step 6: Final answer
    x = 10,214.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.